From: Taco Hoekwater <taco@elvenkind.com>
Subject: Re: extentable arrows
Date: Wed, 28 Jun 2006 23:58:55 +0200 [thread overview]
Message-ID: <44A2FB9F.7070006@elvenkind.com> (raw)
In-Reply-To: <Pine.WNT.4.63.0606281632440.1512@nqvgln>
Aditya Mahajan wrote:
> \xrightarrow{big superscipt}
>
> Any suggestions?
Not completely identical, but similar.
Cheers, Taco
\def\domthxarr#1#2#3#4#5#6#7%
{\begingroup
\mathsurround\zeropoint
\setbox0\hbox{$\scriptstyle
\if0#1\else\mkern#1mu\fi
\mkern#3mu#7\mkern#4mu
\if0#2\else\mkern#2mu\fi $}%
\setbox4\hbox{#5}%
\dimen0\wd0
\ifdim\wd4>\dimen0 \dimen0\wd4 \fi
\setbox2\hbox{$\scriptstyle
\if0#1\else\mkern#1mu\fi
\mkern#3mu#6\mkern#4mu
\if0#2\else\mkern#2mu\fi $}%
\ifdim\wd2>\dimen0 \dimen0\wd2 \fi
\setbox4\hbox to \dimen0{#5}%
\mathord{\vcenter{{\offinterlineskip
\hbox to \dimen0{\hss\box0\hss}%
\kern .2ex
\hbox to \dimen0{\hss\copy4\hss}%
\kern .2ex
\hbox to \dimen0{\hss\box2\hss}}}}%
\endgroup}
\def\xrightarrow{\dodoubleempty\doxrightarrow }
\def\xleftarrow {\dodoubleempty\doxleftarrow }
\def\doxrightarrow[#1][#2]{\mathrel
{{\domthxarr0359\rightarrowfill{#1}{#2}}}}
\def\doxleftarrow[#1][#2]{\mathrel
{{\domthxarr3095\leftarrowfill{#1}{#2}}}}
\starttext
$$
A \xrightarrow[][stuff on top] B
$$
$$
A \xleftarrow[stuff below][stuff on top] B
$$
$$
A \xleftarrow B
$$
\stoptext
next prev parent reply other threads:[~2006-06-28 21:58 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-06-28 20:56 Aditya Mahajan
2006-06-28 21:24 ` Aditya Mahajan
2006-06-28 21:58 ` Taco Hoekwater [this message]
2006-06-28 23:07 ` Aditya Mahajan
2006-06-29 9:02 ` Hans Hagen
2006-06-28 23:21 ` Aditya Mahajan
2006-06-29 8:07 ` Taco Hoekwater
2006-06-29 8:25 ` Hans Hagen
2006-06-29 14:56 ` Aditya Mahajan
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